Athletic Club transfers for 2026/27 track 11 listed transfer moves, split into 0 incoming and 11 outgoing rows where provider data is available. The list covers permanent transfers, loans, free moves, loan returns, and other transfer labels supplied by the football data feed.

Outgoing moves include C. Mutilva, A. Lekuna, Julen Agirrezabala, Mikel Vesga, Iker Varela, and Urko Izeta with clubs including Unionistas de Salamanca, Arenas Getxo, Racing Santander, and Almeria. Dates and transfer labels are shown row by row so the season view can be scanned without mixing incoming and outgoing business.

The provider labels in this season include Free agent, Loan, and Transfer. These labels are kept close to the source feed, so loans, free transfers, and loan-return statuses can be compared directly in the table.